<template>
    <el-row class="login-container" justify="center" :align="'middle'">
        <el-card style="max-width: 480px;">
            <template #header>
                <div class="card-header">
                    <img :src="imgUrl" alt="">
                </div>
            </template>
            <div class="jump-link">
                <el-link type="primary" @click="handleChange">{{ formType ? '返回登录' : '注册账号' }}</el-link>
            </div>
            <el-form 
                ref="loginFormRef"
                :model="loginForm" 
                style="max-width: 600px;"
                class="demo-ruleForm"
                :rules="rules">
                <el-form-item prop="userName">
                    <el-input v-model="loginForm.userName" placeholder="手机号" :prefix-icon="UserFilled"></el-input>
                </el-form-item>
                <el-form-item prop="passWord">
                    <el-input v-model="loginForm.passWord" type="password" placeholder="密码" :prefix-icon="Lock"></el-input>
                </el-form-item>
                <el-form-item v-if="formType" prop="validCode">
                    <el-input v-model="loginForm.validCode" placeholder="验证码" :prefix-icon="Lock">
                        <template #append>
                            <span @click="countdownChange()">{{ countdown.validText }}</span>
                        </template>
                    </el-input>
                </el-form-item>
                <el-form-item>
                    <el-button type="primary" :style="{width:'100%'}" @click="submitForm(loginFormRef)">
                        {{ formType ? '注册账号' : '登录' }}
                    </el-button>
                </el-form-item>
            </el-form>
        </el-card>
    </el-row>
</template>
<script setup>
import { reactive, ref,computed,toRaw } from 'vue';
import { getCode,userAuthentication,login,menuPermissions } from '../../api';
import { UserFilled,Lock } from '@element-plus/icons-vue';
import { ElMessage } from 'element-plus';
import { useRouter } from 'vue-router';
import { useStore } from 'vuex';

const imgUrl = new URL('../../../public/login-head.png',import.meta.url).href

//表单数据
const loginForm = reactive({
    userName:'',
    passWord:'',
    validCode:''
})

//切换表单（0登录 1注册）
const formType = ref(0)
//点击切换登录和注册
const handleChange = ()=>{
    formType.value = formType.value ? 0 : 1
}
// 账号校验规则
const validateUser = (rule,value,callback) => {
    //不能为空
    if(value == ''){
        callback(new Error('请输入账号'))
    } else{
        const phoneReg = /^1(3[0-9]|4[01456879]|5[0-35-9]|6[2567]|7[0-8]|8[0-9]|9[0-35-9])\d{8}$/
        phoneReg.test(value) ? callback() : callback(new Error('手机号格式不对，请输入正确手机号'))
    }
}
//密码校验
const validatePass = (rule,value,callback) =>{
    //不能为空
    if(value == ''){
        callback(new Error('请输入密码'))
    } else{
        const reg = /^[a-zA-Z0-9_-]{4,16}$/
        reg.test(value) ? callback() : callback(new Error('密码格式不正确,需要4到16位字符,请确认格式'))
    }
}
//表单校验
const rules = reactive({
    userName: [{ validator: validateUser, trigger:'blur' }],
    passWord: [{ validator: validatePass, trigger:'blur' }],
})

//发送短信
const countdown = reactive({
    validText:'获取验证码',
    time: 60
})
let flag = false
const countdownChange = () =>{
    //如果已发送，就不处理
    if(flag) return
    //利用正则对手机号码格式进行校验，判断是否正确
    const phoneReg = /^1(3[0-9]|4[01456879]|5[0-35-9]|6[2567]|7[0-8]|8[0-9]|9[0-35-9])\d{8}$/
    if(!loginForm.userName || !phoneReg.test(loginForm.userName)){
        return ElMessage({
            message:'请检查手机号是否正确',
            type:'warnig',
        })
    }
    //倒计时
    const time = setInterval(()=>{
        if(countdown.time <=0 ){
            countdown.time = 60
            countdown.validText = '获取验证码'
            flag = false
            clearInterval(time)
        } else{
            countdown.time -= 1
            countdown.validText = `剩余${countdown.time}s`
        }
    }, 1000)
    flag = true
    getCode({tel:loginForm.userName}).then((data)=>{
        console.log(data,'data')
        if(data.code === 10000){
            ElMessage.success('发送成功')
        }
    })
}
const router = useRouter()
const loginFormRef = ref()
const store = useStore()

const routerList = computed(() => store.state.menu.routerList)
//表单提交
const submitForm = async(formEl) => {
    if(!formEl) return
    //手动触发校验
    await formEl.validate((valid,fields) =>{
        if(valid){
            //console.log(loginForm,'submit!')
            //注册页面
            if(formType.value){
                userAuthentication(loginForm).then((data)=>{
                    if(data.code === 10000){
                        ElMessage.success('注册成功，请登录')
                        formType.value = 0
                    }
                })
            } else {
                //登录页面
                login(loginForm).then(({data})=>{
                    if(data.code === 10000){
                        ElMessage.success('登录成功！')
                        //将token和用户信息缓存到浏览器
                        localStorage.setItem('pz_token',data.data.token)
                        localStorage.setItem('pz_userInfo',JSON.stringify(data.data.userInfo))
                         menuPermissions().then(({data})=>{
                            store.commit('dynamicMenu',data.data)
                            console.log(routerList,'routerList')
                            toRaw(routerList.value).forEach(item => {
                                router.addRoute('main',item)
                            });
                            router.push('/')
                        }) 
                       //router.push('/')
                    } 
                })
            }
        } else{
            console.log('error submit!',fields)
        }
    })

}
</script>
<style lang="less" scoped>
:deep(.el-card__header) {
    padding: 0
  }
  .login-container {
    height: 100%;
    .card-header{
      background-color: #899fe1;
      img {
        width: 430px;
      }
    }
    .jump-link {
      text-align: right;
      margin-bottom: 10px;
    }
  }
</style>
